111154113 has 20 divisors (see below), whose sum is σ = 189766720. Its totient is φ = 63516312.

The previous prime is 111154111. The next prime is 111154117. The reversal of 111154113 is 311451111.

111154113 is a `hidden beast` number, since 1 + 111 + 541 + 13 = 666.

It is not a de Polignac number, because 111154113 - 2¹ = 111154111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111154111) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 97453 + ... + 98586.

It is an arithmetic number, because the mean of its divisors is an integer number (9488336).

Almost surely, 2^111154113 is an apocalyptic number.

It is an amenable number.

111154113 is a deficient number, since it is larger than the sum of its proper divisors (78612607).

111154113 is an equidigital number, since it uses as much as digits as its factorization.

111154113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196058 (or 196049 counting only the distinct ones).

The product of its digits is 60, while the sum is 18.

The square root of 111154113 is about 10542.9650952661. The cubic root of 111154113 is about 480.8118682258.

The spelling of 111154113 in words is "one hundred eleven million, one hundred fifty-four thousand, one hundred thirteen".